Nicole, who also left the church, says the church is fighting back, using their shared circle of friends as arsenal.

“They literally have pulled in these people and told them they had to choose between relationships with my sister and my mother or the church,” Nicole said in the interview. “And I'm going to tell you, these people chose the church.”

In an interview in Minneapolis, St. Paul, Nicole says her sister's problems with Scientology all started at Tom Cruise and Katie Holmes’ wedding when she asked the head of the Church (David Miscavage) about the whereabouts of his wife, Shelly, Brown reports.

“According to Nicole, that question led to others and ultimately to Leah leaving Scientology.”

After her struggle to walk away from the Church, Leah Remini released just this statement saying, “I wish to share my sincere and heartfelt appreciation for the overwhelming, positive response I have received.”

Many says Leah Remini's reasons for leaving the Church stressed on its organizational structure and policy of disconnection. "Even though Scientology still denies it,” Many says, “it does happen.”

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Many says the Church is a “very high control group,” that has a policy where members must report on other members.

She says the revelation about David Miscavage “came about when Leah confided in a very, very close personal friend her concerns. But her close, personal friend was also a Scientologist, and as such…she was to report this, which she did,” Many says.

"When you go back and you look at that and you see your son and you see the suffering that my whole family went through, it's kind of difficult," Sambolin says.

"The road is great. I'm in the middle of reconstruction right now. And that's going really well," Sambolin adds. "You know, I've got some decisions to make whether or not I'll go on tamoxifin, it’s an invasive cancer on the left side, so I’ve got to really do a little bit more research and figure out whether that's the next step for me."